J. Y. Campos, D. R. da Silva, A. P. T. Cardoso, N. A. G. Stolf, and G. Pozzan, “Cardiac papillary muscle hemangioma”, Autops. Case Rep., vol. 10, no. 2, p. e2020169, Jul. 2020, doi: 10.4322/acr.2020.169.